Marine water-tight cable
A water-blocking and cable technology, applied in the direction of insulated cables, cable/conductor manufacturing, cables, etc., can solve the problems of expanding the scope of fire, endangering lives, polluting the environment, etc., and achieves high safety, high oxygen index, and long service life. Effect
Inactive Publication Date: 2014-08-06
ANHUI HUININGELECTRIC INSTR & APPLIANCE GRP
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Problems solved by technology
The cables commonly used now have certain defects in high temperature resistance and mechanical strength, and at the same time are bulky and not resistant to corrosion, which cannot meet the needs of the existing market.
[0003]Traditional cable sheathing materials have poor fire resistance. Once a fire breaks out in the building, they are easy to burn, spread the flames, and expand the scope of the fire. Most of them contain halogens, which will produce A large amount of dense smoke and highly corrosive hydrogen halide gas endanger human life, endanger equipment and pollute the environment
Method used
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[0012] like figure 1 As shown, a marine water-blocking cable includes a cable core, and the cable core includes an I-shaped silica gel skeleton 1, and wire cores are respectively placed on the left and right sides of the I-shaped silica gel skeleton 1. The wire core includes an oval silica gel skeleton 2, and a calcined mica tape wrapping layer 3 is wrapped on the outside of the oval silica gel skeleton 2, and an elastic backing plate 4 is placed inside the oval silica gel skeleton 2, and on both sides of the elastic backing plate 4 Conductors 5 are respectively placed on the sides, and EPDM insulation layer 6 is wrapped on the outer side of the conductors 5. The conductors 5 and the steel wire ropes 7 are twisted, and after twisting, the outer sides are covered with tensile bands 8 and aluminum strips in turn. The interlocking armor layer 9 is sequentially covered with a non-woven pull-proof layer 10, a galvanized steel wire braided shielding layer 11, a multi-layer waterproo...
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The invention discloses a marine water-tight cable. The marine water-tight cable comprises a cable core. The cable core comprises an H-shaped silica gel framework, and wire cores are arranged on the left side and the right side of the H-shaped silica gel framework respectively and comprise oval silica gel frameworks. The oval silica gel frameworks are covered with a calcined mica tape winding and covering layer. Elastic base plates are arranged in the oval silica gel frameworks, and conductors are arranged on the two sides of each elastic base plate respectively, covered with ethylene-propylene-diene monomer insulating layers and twisted with steel wire ropes in a paired mode. After being twisted in the paired mode, the conductors and the steel wire ropes are covered with tensile tapes and aluminum tape interlocking armoring layers sequentially. The cable core is sequentially covered with a non-woven fabric pulling-resistant layer, a galvanized steel wire woven shielding layer, a multilayer waterproof canvas winding and covering layer and an outer sheath. The marine water-tight cable is resistant to corrosion and ageing, long in service life, small in size, good in waterproof effect and high in tension resistance, and the marine space occupied by the marine water-tight cable is small.
Description
technical field [0001] The invention relates to the technical field of cables, in particular to a marine water-blocking cable. Background technique [0002] Marine cables, also known as marine power cables, are wires and cables used for power, lighting and general control of various ships and offshore oil platforms in rivers and seas. The cables commonly used now have certain defects in high temperature resistance and mechanical strength, and at the same time, they are bulky and not resistant to corrosion, so they cannot meet the needs of the existing market. [0003] Traditional cable sheathing materials have poor fire resistance. Once a fire breaks out in the building, it is easy to burn, spread the flames, and expand the scope of the fire. human life, endanger equipment and pollute the environment. Contents of the invention [0004] The object of the present invention is to provide a marine water-blocking cable in order to remedy the defects of the prior art. The cab...
Claims
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IPC IPC(8): H01B7/22H01B7/282H01B13/24H01B9/02
Inventor 张元船华齐东杨茂明于杰陆秀国
Owner ANHUI HUININGELECTRIC INSTR & APPLIANCE GRP